At the end of Dr. Seuss' "How the Grinch Stole Christmas!" the titular villain undergoes a literal change of heart. His blood-pumping organ swells to three times its prior size. The ticker of the ...

Heart disease is the top cause of death in the United States, resulting in one in three deaths in 2023. In addition to being such a vital organ, the adult heart, unlike other parts of the body, cannot ...